Chapter 9

NCERT
Class 9
Science
Solutions
2. Write an expression for the work done when a force is acting on an object in the direction of its displace-ment.

Question:

Write an expression for the work done when a force is acting on an object in the direction of its displacement.

Answer:

If a force F acts on an object and has a displacement in the direction of force.

Then

Work = Force × displacement in the direction of force.

W = F × s

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